Class MockAnalyzer

This analyzer is a replacement for Whitespace/Simple/KeywordAnalyzers
for unit tests. If you are testing a custom component such as a queryparser
or analyzer-wrapper that consumes analysis streams, its a great idea to test
it with this analyzer instead. MockAnalyzer has the following behavior:

reusableTokenStream

Creates a TokenStream that is allowed to be re-used
from the previous time that the same thread called
this method. Callers that do not need to use more
than one TokenStream at the same time from this
analyzer should use this method for better
performance.

setPositionIncrementGap

getPositionIncrementGap

Invoked before indexing a Fieldable instance if
terms have already been added to that field. This allows custom
analyzers to place an automatic position increment gap between
Fieldable instances using the same field name. The default value
position increment gap is 0. With a 0 position increment gap and
the typical default token position increment of 1, all terms in a field,
including across Fieldable instances, are in successive positions, allowing
exact PhraseQuery matches, for instance, across Fieldable instance boundaries.